249747470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1737

約数の個数: 64

約数和(自身を含む): 538140672

約数和(自身を除く): 288393202

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 71, 142, 155, 217, 310, 355, 434, 497, 710, 994, 1085, 1621, 2170, 2201, 2485, 3242, 4402, 4970, 8105, 11005, 11347, 15407, 16210, 22010, 22694, 30814, 50251, 56735, 77035, 100502, 113470, 115091, 154070, 230182, 251255, 351757, 502510, 575455, 703514, 805637, 1150910, 1611274, 1758785, 3517570, 3567821, 4028185, 7135642, 8056370, 17839105, 24974747, 35678210, 49949494, 124873735, 249747470]

約数ペア:

[(1, 249747470), (2, 124873735), (5, 49949494), (7, 35678210), (10, 24974747), (14, 17839105), (31, 8056370), (35, 7135642), (62, 4028185), (70, 3567821), (71, 3517570), (142, 1758785), (155, 1611274), (217, 1150910), (310, 805637), (355, 703514), (434, 575455), (497, 502510), (710, 351757), (994, 251255), (1085, 230182), (1621, 154070), (2170, 115091), (2201, 113470), (2485, 100502), (3242, 77035), (4402, 56735), (4970, 50251), (8105, 30814), (11005, 22694), (11347, 22010), (15407, 16210)]